CVE-2020-1614 NFX250 Series: Hardcoded credentials in the vSRX VNF instance.

What is CVE-2020-1614?

CVE-2020-1614 is a critical vulnerability in Juniper Junos, published on 8 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Use of Hard-coded Credentials vulnerability exists in the NFX250 Series for the vSRX Virtual Network Function (VNF) instance, which allows an attacker to take control of the vSRX VNF instance if they have the ability to access an administrative service (e.g. SSH) on the VNF, either locally, or through the network. This issue only affects the NFX250 Series vSRX VNF. No other products or platforms are affected. This issue is only applicable to environments where the vSRX VNF root password has not been configured. This issue affects the Juniper Networks NFX250 Network Services Platform vSRX VNF instance on versions prior to 19.2R1.

Weakness: CWE-798

Which versions are affected by CVE-2020-1614?

It affects 1 product.

Products include Juniper Junos.

How do I fix CVE-2020-1614?

No fix has been published for CVE-2020-1614 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-1614 being exploited?

There is no known exploitation of CVE-2020-1614 in the wild and no public exploit code.

Other vulnerabilities in Juniper Junos

• CVE-2023-36845 Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Exploited Critical 9.8
• CVE-2020-1631 Juniper Junos OS Path Traversal Exploited High 8.8
• CVE-2025-21590 Juniper Junos OS Improper Isolation or Compartmentalization Exploited Medium 6.7
• CVE-2023-36851 Juniper Junos OS SRX Series Missing Authentication for Critical Function Exploited Medium 5.3
• CVE-2023-36844 Juniper Junos OS EX Series PHP External Variable Modification Exploited Medium 5.3

All Juniper Junos vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-mrrq-pc5g-fmm4.